public bool XoaChiTietHoaDon(string MaHD, string MaMon) { try { ChiTietHoaDon ct = db.ChiTietHoaDon.Find(MaHD, MaMon); if (ct != null) { db.ChiTietHoaDon.Remove(ct); db.SaveChanges(); } return(true); } catch (Exception) { return(false); } }
public bool CapNhatChiTietHoaDon(string MaHD, string MaMon, double DonGia, int SoLuong, string GhiChu) { try { ChiTietHoaDon ct = db.ChiTietHoaDon.Find(MaHD, MaMon); if (ct != null) { ct.MaHD = MaHD; ct.MaMon = MaMon; ct.DonGia = DonGia; ct.SoLuong = SoLuong; ct.GhiChu = GhiChu; db.SaveChanges(); } ; return(true); } catch (Exception) { return(false); } }
public bool ThemChiTietHoaDon(string MaHD, string MaMon, double DonGia, int SoLuong, string GhiChu) { try { var ct = new ChiTietHoaDon() { MaHD = MaHD, MaMon = MaMon, DonGia = DonGia, SoLuong = SoLuong, GhiChu = GhiChu }; db.ChiTietHoaDon.Add(ct); db.SaveChanges(); return(true); } catch (Exception) { return(false); } }